research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
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450-480 / 1000+ resultsresearch Reversible Facial Hyperpigmentation Associated With Vitamin B12 Deficiency
Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
research DP18 A mimicker of melanoma on sun-exposed sites
Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
research Localized Hair Repigmentation in a 91-Year-Old Woman
A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
research Pigmentary mosaicism: An update
Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.
research Postsclerotherapy Hyperpigmentation: A Histologic Evaluation
Most patients' skin darkening after sclerotherapy fades on its own within 6-24 months.
research Topical corticosteroids induced hyper-pigmentation: a case report
Misusing topical corticosteroids can cause skin darkening and other side effects.
research Reversible Hyperpigmentation: A Diagnostic Dilemma
Vitamin B12 deficiency can cause reversible skin darkening.
research Eyebrow Pilomatrixoma Presenting With Localized Alopecia and Skin Hypopigmentation
A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
research Pigmented Rings With Central Clearing: A Dermoscopic Feature of Melasma
Pigmented rings with central clearing help diagnose melasma more accurately.
research Dermoscopy of a Congenital Pigmented Lesion: A Case of Supernumerary Nipple
A supernumerary nipple was correctly identified using dermoscopy, avoiding misdiagnosis.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
research Pigmentation and Pregnancy
Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research Hyperpigmentation and Melasma
Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.
research Hair repigmentation in microcystic adnexal carcinoma
Hair repigmentation can indicate malignancy and should be investigated.
research Subclinical speckled perifollicular melanosis of the scalp.
The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
research Repigmentation of Leukoderma by Minigrafts of Normally Pigmented, Autologous Skin
Transplanting small skin grafts can successfully repigment leukoderma.
research Primary localized cutaneous amyloidosis presenting as pigmented papules over pinna
Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
research Perifollicular Melanocyte Regeneration in Bullous Pemphigoid
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
research Becker's Melanosis and Hypertrichosis*
Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
research Micropigmentation
Micropigmentation is a cosmetic tattooing technique for hiding skin issues and creating permanent makeup, but it can have side effects.
research Melanin Pigmentary Disorders: Treatment Update
Treatments for melanin disorders exist, but more effective options needed.
research Woman with hyperpigmented plaque and alopecia
The treatment didn't work for the woman's hair loss and skin darkening.
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Update on Melasma—Part I: Pathogenesis
Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.
research Disorders of Hair Pigmentation
Hair color is determined by melanin and can be affected by genetic conditions like albinism.
research Skin Hyperpigmentation in Complex Regional Pain Syndrome (CRPS) (P3.315)
Skin pigmentation increases in CRPS-affected areas and improves with symptom relief.
research Micropigmentation on Scalp and Eyebrow Scars is Worth Practicing
Micropigmentation is a good and safe method to improve the look of scalp and eyebrow scars.